/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.dubbo.samples.basic.impl.helloworld;

import io.grpc.examples.helloworld.ReactorDubboGreeterGrpc;
import io.grpc.examples.helloworld.HelloReply;
import io.grpc.examples.helloworld.HelloRequest;
import reactor.core.publisher.Mono;

public class GrpcGreeterImpl extends ReactorDubboGreeterGrpc.GreeterImplBase {
    @Override
    public Mono<HelloReply> sayHello(Mono<HelloRequest> request) {
        System.out.println("Executing thread is " + Thread.currentThread().getName());
        return request
                .map(HelloRequest::getName)
                .map(name -> {
                    String greeting = "Hello " + name;
                    System.out.println("Returning " + greeting);
                    return greeting;
                })
                .map(greeting -> HelloReply.newBuilder().setMessage(greeting).build());
    }
}
